Home / 85,704.30-118,150.20-63,003.24

Finding the Fourth Proportional to 85,704.30, 118,150.20 and 63,003.24

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Solution

The fourth proportional to 85,704.30, 118,150.20 and 63,003.24 is: 86,854.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,704.30 : 118,150.20 = 63,003.24 : x
  2. Step 2: Convert to fraction form
    85,704.30/118,150.20 = 63,003.24/x
  3. Step 3: Cross multiply
    85,704.30x = 118,150.20 × 63,003.24
  4. Step 4: Simplify right side
    85,704.30x = 7,443,845,406.65
  5. Step 5: Solve for x
    x = 7,443,845,406.65/85,704.30
  6. Step 6: Final answer
    x = 86,854.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.